Question
21

21

42

0

None of These
diffcult
Solution
42
and when n is not a multiple of 3, then
This means that in the given series 7 brackets have value 4 each and the remaining 14 brackets have value 1 each. So, the sum of the series
SIMILAR QUESTIONS
The solution of the equation  z  – z = 1 + 2i is
Among the complex numbers z satisfying the condition the number having the least positive argument is
The equation where b is a nonzero complex constant and c is real, represents
Given that the equation where p, q, r, s are nonzero has a real root. Then
In a geometrical progression first tern and common ratio are both Then the absolute value of the nth term of the progression is
If z_{1} and z_{2} be two complex numbers such that z_{1} + z_{2} = z_{1} – z_{2} then a value of amp z_{1} – z_{2} is equal to